• NAD83 to NAD83(HARN) (41)

  EPSG:1705
  Area of use: United States (USA) - Iowa.
  

• NAD83 to WGS 84 (13)

  EPSG:1709
  Area of use: United States (USA) - Iowa.
  

• NGVD29 height (m) to NAVD88 height (2)

  EPSG:7970
  Area of use: United States (USA)
  

• NAD27 to WGS 84 (6)

  EPSG:1175
  Area of use: United States (USA)
  

• NAD83(HARN) to NAVD88 height (2)

  EPSG:9161
  Area of use: United States (USA)
  

• NAD83(HARN) to NAVD88 height (3)

  EPSG:9162
  Area of use: United States (USA)
  

• NAD83(HARN) to NAVD88 height (6)

  EPSG:9165
  Area of use: United States (USA)
  

• NAD27 to WGS 84 (4)

  EPSG:1173
  Area of use: United States (USA)
  

• NAD83(2011) to NAVD88 height (1)

  EPSG:6326
  Area of use: United States (USA)
  

• NAD83(FBN) to NAVD88 height (1)

  EPSG:9168
  Area of use: United States (USA)
  

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Type of results

• Coordinate reference systems (1756)

•    Projected (1706)
•    Geodetic (12)
•    Geodetic 3D (12)
•    Geocentric (11)
•    Vertical (7)
•    Compound (8)

• Operation (91)

•    Transformation (50)
•    Compound (4)
•    Conversion (37)

• Datum (9)

•    Vertical (2)
•    Geodetic (7)

• Area (50)